Garry R. Perkins

Follow

Person

Rolling Meadows, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Plastic block retaining wall with attached keylock facing panels
- Patent number 6,062,772
- Issue date May 16, 2000
- G.P. Industries, Inc.
- Garry R. Perkins
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Masonry block retaining wall with attached keylock facing panels an...
- Patent number 5,788,423
- Issue date Aug 4, 1998
- G.P. Industries, Inc.
- Garry R. Perkins
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING